
//左导航条滚动
var LA="A1";
var scrollingInterval;
var scrollObj ;
function scrollingUp(){ 
	scrollObj.scrollTop=scrollObj.scrollTop-3;
}
function scrollingDown() { 
	scrollObj.scrollTop=scrollObj.scrollTop+3;
}
function stopScroll(){//停止滚动
	clearInterval(scrollingInterval);
} 
function divscrollup(speed) {//上滚
	var SA=("S"+LA);
	scrollObj = document.getElementById(SA);
	scrollingInterval = setInterval("scrollingUp()",speed);
}
function divscrolldown(speed) {//下滚
	var SA=("S"+LA);
	scrollObj = document.getElementById(SA);
	scrollingInterval = setInterval("scrollingDown()",speed);
}



